8	7
	7			3	1
		8
		6				7
	6				5
					2
		2	8			1
1	5

Difficulty: Very easy (0)

			2
				1			2
		4	1
2				5		4	3
5	8		3				6
				7	8
6			7
				6

Difficulty: Very easy (0)

7							6
			2	5	7	8
6						1
						6	8
8	5
	3						5
	1	6	7	4
5							2

Difficulty: Super easy (0)

							4
		3		7	5
				2	7
5			7		4
		5		3			7
		1	6
		7	4		6
3

Difficulty: Very easy (0)